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Play any piece in any key with this beginner’s transposition guide
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Transposing instruments in B-flat are instruments such as the clarinet, tenor sax, or trumpet that are notated at a different pitch than they actually sound. Because they produce notes a whole step lower than written, these B-flat instruments have to transpose, or shift, their music up a whole step to play in the correct key. In this article, we’ll walk you through how to transpose music in C (“concert pitch”) for B-flat instruments—including a helpful transposition chart!
Things You Should Know
- First, raise your key signature by 1 whole step. If the original music is in C major, for example, the transposed music will be in D major (D is a whole step above C).
- Then, raise each note of the music up 1 whole step to fit in the new key. Notes that have accidentals in the original key will also have them in the new key.
- B-flat instruments must transpose a whole step higher because they are pitched a whole step lower than concert instruments, or instruments pitched in C.
Steps
Section 1 of 4:
Transposing Music in C for B-flat Instruments
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Shift your key signature up 1 whole step to determine your new key. Because a Bb instrument sounds 1 whole step lower than what’s written, raise the entire key signature of your music 1 whole step higher to put your instrument in the right key. A whole step is an interval that’s also called a major 2nd (think of the interval between the first 2 notes of a major scale). A whole step is 2 half steps wide, or the interval of 2 adjacent keys on the piano keyboard. [1] X Research source
- Let's say your music is written in Bb major. One whole step up from Bb is C, so you’ll write your transposed music in the key of C.
- If the original music were written in the key of C major, you would write the transposed music a whole step higher in the key of D, etc.
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Write your new key signature on a piece of blank staff paper . Now that you know what new key you’re in, write out the corresponding sharps or flats on the staff at the very left end of each line of music. [2] X Research source Review a Circle of Fifths chart to get faster at recalling key signatures from memory. Or, remember these tricks:
- Raising a key by a whole step is the same as adding 2 sharps to your original key signature. For example, G major transposed up a whole step is A major. G major has 1 sharp (F#), while A major has 3 sharps (F#, C#, and G#). The order of sharps in a key signature is F, C, G, D, A, E, B.
- Raising a key by a whole step is the same as subtracting 2 flats from your key signature. For example, Eb major transposed up a whole step results in F major. Eb major has 3 flats (Bb, Eb, and Ab), while F major has 1 flat (Bb). The order of flats in a key signature is B, E, A, D, G, C, F (the reverse order of the sharps).
- Sometimes, you’ll shift from a flat key to a sharp one. For example, if the concert key is F major, with a Bb in the key signature, you’ll end up in G major, with an F# in the key signature.
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Transpose each note of the music up a whole step to fit in the new key. Now that you’ve got your key signature set, it’s time to transpose the actual tune! Raise each note of the music up a whole step and write in the new note on your staff paper. [3] X Research source Since you have the key signature penciled in, you don’t need to write out sharp or flat signs next to diatonic notes (notes that belong in the key signature).
- For example, if your new key signature has C# in it and you’re transposing the note B, which becomes a C#, just draw in a C without a sharp sign.
- If the original note has an accidental (a sharp, flat, or natural sign that does not belong to the key signature), make sure that the transposed note also has an accidental in the new key. For example, if you have a G# note in D major (which only indicates F# and C# in the key signature), then you’ll write A# in the new key of E (which has F#, C#, G#, and D# in its key signature). [4] X Research source
- If you’re transposing by sight, think up a whole step for each note while you read the original music. Play slowly at first—transposing by sight is a skill that takes patience and practice!
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Try music notation software to transpose lots of music quickly. Transposing short passages by sight or by writing them out by hand is a nifty skill to have, but isn’t very convenient if you have to transpose an entire symphony’s worth of music. For big projects, try using music notation software like MuseScore or Finale . Each program works slightly differently, but the general process is the same: [5] X Research source
- First, upload the music you want to transpose and indicate that it’s pitched in C. Some programs let you upload a scan of the music, while you might have to manually enter the music note-by-note in others.
- Then, go into the score settings for your project and follow your program’s instructions to transpose. In most cases, it’s as easy as selecting the key you want to transpose to and clicking a button!
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Section 2 of 4:
B-flat to C Transposition Chart
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Expert Q&A
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QuestionWhat are the reasons for transposing a piece of music?Sue Yang is an Instrumental Music Instructor based in Sunnyvale, CA. With over 22 years of experience, Sue's expertise spans piano, voice, violin, and songwriting. After working in performance, event production, and teaching, Sue served as a resident bilingual music instructor at the International School of The Peninsula in Palo Alto, where she played a crucial role in developing the curriculum from nursery school through 5th grade. In 2009, Sue established the Sue Yang Music Studio, which later became the First Movement Music Academy. Sue is also the founder of the TAJCCNC National iSing singing competition in North America and an active contributor to the Taiwanese-American Chamber of Commerce. She graduated from the Queensland Conservatorium Griffith University in Australia with a Bachelor of Music.One of the reasons for transposing is that the original keys might be difficult to play or sing because they have too many flats or sharps. To make it easier, the music is being transposed to a more manageable key. For example, artists and composers shift it up or down by half a step or by a few steps to make it more comfortable when performing or recording.
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QuestionI want to make sure I understand. Whatever key the piano music is written in, you raise it a step higher?Community AnswerIf you are playing a Bb instrument, yes. Well, you raise it a tone higher. So if written note is a C, you read a D, if a D, an E, if an E, an F# and so on...There's another method you can try if you know the sequence of sharps and flats. It turns out that for transposing up a tone, you either gain two sharps or lose two flats. So if the piano has three flats(Eb major), you play with one flat (F major); if the piano has two flats, you play with none; if it has one flat, you play with one sharp; and if the piano is playing with no sharps or flats (in C), you need to play with two sharps (in D).
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QuestionHow do I make notes on songs I hear and then play them on the trumpet?Community AnswerYou either need to know the notes' names or how to write music. You can write it down in b flat if you're going to play it yourself. If you can't write or read music, just write down the names of the notes in order, without the length. Since you know the piece, it shouldn't be to hard to replay it.
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Tips
- To transpose music written for a Bb instrument to concert pitch, follow the same process in reverse: shift your key signature down a whole step (subtract 2 sharps or add 2 flats), then move each note down a whole step.Thanks
- This same process works for transposing music from C to Eb , F, A, or any other key that an instrument is pitched in.Thanks
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References
- ↑ https://hellomusictheory.com/learn/how-to-transpose-music/
- ↑ https://www.flutetunes.com/articles/transpose-b-flat/
- ↑ https://www.music-theory-for-musicians.com/transpose-music.html
- ↑ https://hellomusictheory.com/learn/how-to-transpose-music/
- ↑ https://www.bax-shop.co.uk/blog/music-theory/transpose-music-yourself-in-3-steps/
- ↑ https://www.flutetunes.com/articles/transpose-b-flat/
- ↑ https://www.britannica.com/art/transposing-musical-instrument
- ↑ https://www.musictheoryacademy.com/how-to-read-sheet-music/transposing-instruments/
- The Professional Arranger/Composer by Russell Garcia
- The Harper Dictionary of Music
- Music Notation—A Manual of Modern Practice by Gardner Read
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